P0057
HO2S Heater Control Circuit Low Bank 2 Sensor 2
1997-2003 Audi A8 4.2L V8
Low SeverityPowertrainGeneric (SAE)
Description
Low voltage in the Bank 2 Sensor 2 O2 heater circuit.
Symptoms
- Check Engine Light
Common Causes
- Short to ground
- Faulty sensor
Diagnostic Steps
- Test voltage
- Check for shorts
Repair Notes
Repair or replace.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0057 on Other Vehicles
Common Questions
What does code P0057 mean on a 1997-2003 Audi A8?
P0057 stands for "HO2S Heater Control Circuit Low Bank 2 Sensor 2". Low voltage in the Bank 2 Sensor 2 O2 heater circuit.
What are the symptoms of P0057 on a Audi A8?
Common symptoms of P0057 include: Check Engine Light.
What causes P0057 on a 1997-2003 Audi A8?
Common causes of P0057 include: Short to ground, Faulty sensor.